Real world company prefixes

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M n O P Q R S T U V W X Y Z Ø
H& H0 H1 H2 H3 H4 H5 H6 H7 H8 H9 HA HB HC HD HE HF HG HH HI HJ HK HL HM HN HO HP HQ HR HS HT HU HV HW HX HY HZ
HCA HCB HCC HCD HCE HCF HCG HCH HCI HCJ HCK HCL HCM HCN HCO HCP HCQ HCR HCS HCT HCV HCW HCX HCY HCZ
HCEA HCEC HCEK HCEL HCEP HCEZ
1 HCEK HIGHWAY CARRIER EXPRESS LLC     SCAC4